22890420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 81664128

約数和(自身を除く): 58773708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 491, 518, 555, 630, 666, 740, 777, 982, 1036, 1110, 1260, 1295, 1332, 1473, 1554, 1665, 1964, 2220, 2331, 2455, 2590, 2946, 3108, 3330, 3437, 3885, 4419, 4662, 4910, 5180, 5892, 6660, 6874, 7365, 7770, 8838, 9324, 9820, 10311, 11655, 13748, 14730, 15540, 17185, 17676, 18167, 20622, 22095, 23310, 29460, 30933, 34370, 36334, 41244, 44190, 46620, 51555, 54501, 61866, 68740, 72668, 88380, 90835, 103110, 109002, 123732, 127169, 154665, 163503, 181670, 206220, 218004, 254338, 272505, 309330, 327006, 363340, 381507, 508676, 545010, 618660, 635845, 654012, 763014, 817515, 1090020, 1144521, 1271690, 1526028, 1635030, 1907535, 2289042, 2543380, 3270060, 3815070, 4578084, 5722605, 7630140, 11445210, 22890420]

約数ペア:

[(1, 22890420), (2, 11445210), (3, 7630140), (4, 5722605), (5, 4578084), (6, 3815070), (7, 3270060), (9, 2543380), (10, 2289042), (12, 1907535), (14, 1635030), (15, 1526028), (18, 1271690), (20, 1144521), (21, 1090020), (28, 817515), (30, 763014), (35, 654012), (36, 635845), (37, 618660), (42, 545010), (45, 508676), (60, 381507), (63, 363340), (70, 327006), (74, 309330), (84, 272505), (90, 254338), (105, 218004), (111, 206220), (126, 181670), (140, 163503), (148, 154665), (180, 127169), (185, 123732), (210, 109002), (222, 103110), (252, 90835), (259, 88380), (315, 72668), (333, 68740), (370, 61866), (420, 54501), (444, 51555), (491, 46620), (518, 44190), (555, 41244), (630, 36334), (666, 34370), (740, 30933), (777, 29460), (982, 23310), (1036, 22095), (1110, 20622), (1260, 18167), (1295, 17676), (1332, 17185), (1473, 15540), (1554, 14730), (1665, 13748), (1964, 11655), (2220, 10311), (2331, 9820), (2455, 9324), (2590, 8838), (2946, 7770), (3108, 7365), (3330, 6874), (3437, 6660), (3885, 5892), (4419, 5180), (4662, 4910)]